What would they think of us? Today in History: April 12, Euro Disney opens in Paris Artemis II’s moon-traveling astronauts ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which lie within the star’s habitable zone. In the foreground is TRAPPIST-1 b, ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Representative Tim Burchett said he is "sick of hearing" that Americans can't handle more transparency about UFOs.

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to find it around many of the most common stars in the galaxy. Earth-like ...

President Trump on Thursday said he will direct the Department of Defense and other agencies to release its files about UFOs and “alien and extraterrestrial life” to the public. “Based on the ...